Siheyuan: I Became a God-Tier Chef Through Sign-In, and I'm Not Silly Zhu

A modern programmer transmigrates into the body of He Yuzhu, a cook at a steelworks, and awakens a sign-in System that instantly grants him top-tier culinary skills. He turns cafeteria meals into palace cuisine, earning praise from the entire factory. He leaves his former pathetic self behind and refuses to be called Silly Zhu ever again, securing a reliable job in the 1960s.